The average marks of 4 men is increased
by 3 when one of them whose marks are
120 is replaced by another man. What is
the marks of new men?
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Answer:
brainliest
Step-by-step explanation:
The answer is: the new man's marks are 132 points. 4x-120+y = 4x+12 => -120+y = 12 => y=132. therefore the other man got 132 marks
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